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[NTVDM]: Fix current directory stuff.

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svn path=/trunk/; revision=67620
This commit is contained in:
Hermès Bélusca-Maïto 2015-05-10 13:34:02 +00:00
parent 86ba2faa4e
commit 020e3f1630
1 changed files with 41 additions and 16 deletions
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57
reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/dos.c
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@ -38,7 +38,7 @@
CALLBACK16 DosContext;
/*static*/ BYTE CurrentDrive;
/*static*/ BYTE CurrentDrive = 0x00;
static CHAR LastDrive = 'Z'; // The last drive can be redefined with the LASTDRIVE command. At the moment, set the real maximum possible, 'Z'.
static CHAR CurrentDirectories[NUM_DRIVES][DOS_DIR_LENGTH];
static PBYTE InDos;
@ -81,6 +81,8 @@ static BOOLEAN DosChangeDirectory(LPSTR Directory)
BYTE DriveNumber;
DWORD Attributes;
LPSTR Path;
CHAR CurrentDirectory[MAX_PATH];
CHAR DosDirectory[DOS_DIR_LENGTH];
/* Make sure the directory path is not too long */
if (strlen(Directory) >= DOS_DIR_LENGTH)
@ -89,14 +91,23 @@ static BOOLEAN DosChangeDirectory(LPSTR Directory)
return FALSE;
}
/* Get the drive number */
DriveNumber = Directory[0] - 'A';
/* Make sure the drive exists */
if (DriveNumber > (LastDrive - 'A'))
/* Check whether the directory string is of format "?:..." */
if (strlen(Directory) >= 2 && Directory[1] == ':')
{
DosLastError = ERROR_PATH_NOT_FOUND;
return FALSE;
/* Get the drive number */
DriveNumber = RtlUpperChar(Directory[0]) - 'A';
/* Make sure the drive exists */
if (DriveNumber > (LastDrive - 'A'))
{
DosLastError = ERROR_PATH_NOT_FOUND;
return FALSE;
}
}
else
{
/* Keep the current drive number */
DriveNumber = CurrentDrive;
}
/* Get the file attributes */
@ -120,9 +131,23 @@ static BOOLEAN DosChangeDirectory(LPSTR Directory)
return FALSE;
}
}
/* Get the (possibly new) current directory (needed if we specified a relative directory) */
if (!GetCurrentDirectoryA(sizeof(CurrentDirectory), CurrentDirectory))
{
// TODO: Use some kind of default path?
return FALSE;
}
/* Convert it to a DOS path */
if (!GetShortPathNameA(CurrentDirectory, DosDirectory, sizeof(DosDirectory)))
{
// TODO: Use some kind of default path?
return FALSE;
}
/* Get the directory part of the path */
Path = strchr(Directory, '\\');
Path = strchr(DosDirectory, '\\');
if (Path != NULL)
{
/* Skip the backslash */
@ -786,7 +811,7 @@ VOID WINAPI DosInt21h(LPWORD Stack)
/* Get Free Disk Space */
case 0x36:
{
CHAR RootPath[3] = "X:\\";
CHAR RootPath[3] = "?:\\";
DWORD SectorsPerCluster;
DWORD BytesPerSector;
DWORD NumberOfFreeClusters;
@ -1896,10 +1921,10 @@ BOOLEAN DosKRNLInitialize(VOID)
#if 1
UCHAR i;
PDOS_SFT Sft;
LPSTR Path;
CHAR CurrentDirectory[MAX_PATH];
CHAR DosDirectory[DOS_DIR_LENGTH];
LPSTR Path;
PDOS_SFT Sft;
const BYTE NullDriverRoutine[] = {
/* Strategy routine entry */
@ -1925,21 +1950,21 @@ BOOLEAN DosKRNLInitialize(VOID)
RtlZeroMemory(CurrentDirectories, sizeof(CurrentDirectories));
/* Get the current directory */
if (!GetCurrentDirectoryA(MAX_PATH, CurrentDirectory))
if (!GetCurrentDirectoryA(sizeof(CurrentDirectory), CurrentDirectory))
{
// TODO: Use some kind of default path?
return FALSE;
}
/* Convert that to a DOS path */
if (!GetShortPathNameA(CurrentDirectory, DosDirectory, DOS_DIR_LENGTH))
/* Convert it to a DOS path */
if (!GetShortPathNameA(CurrentDirectory, DosDirectory, sizeof(DosDirectory)))
{
// TODO: Use some kind of default path?
return FALSE;
}
/* Set the drive */
CurrentDrive = DosDirectory[0] - 'A';
CurrentDrive = RtlUpperChar(DosDirectory[0]) - 'A';
/* Get the directory part of the path */
Path = strchr(DosDirectory, '\\');